{"kind": "version", "path": "vulns/npm/dompurify/3.4.13", "name": "dompurify", "product": "dompurify", "ecosystem": "npm", "version": "3.4.13", "items": [{"id": "GHSA-cg2g-xh64-v4q7", "noindex": false, "published": "2026-10-22T16:25:31Z", "modified": "2026-10-22T16:45:03.731164651Z", "cvss": 9.2, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N", "severity": "critical", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/ghsa-cg2g-xh64-v4q7", "title": "DOMPurify SAFE_FOR_TEMPLATES bypass: split template expressions survive in attached shadow root content on DOM output modes", "description": "## Summary\n\nWhen DOMPurify is configured with `SAFE_FOR_TEMPLATES: true` together with a DOM-returning mode (`RETURN_DOM: true`, `RETURN_DOM_FRAGMENT: true`, or `IN_PLACE: true`), template expressions such as `{{...}}`, `${...}`, and `<%...%>` survive sanitization inside the text content of an attached shadow root. The post-walk safety net `_scrubTemplateExpressions` (`src/purify.ts:1717`) was extended to recurse into `<template>.content`, but it never recurses into attached shadow roots. An attacker who can supply a DOM node carrying a shadow root (the `IN_PLACE` and shadow-aware `RETURN_DOM` surfaces) can split an expression across text nod", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-cg2g-xh64-v4q7", "https://github.com/cure53/DOMPurify/pull/1672", "https://github.com/cure53/DOMPurify/commit/a77a3e78b59f72fa4d1c83f22e121ad9cc7d3575"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "GHSA-mrv2-3pqr-j5jr", "noindex": false, "published": "2026-10-22T16:24:52Z", "modified": "2026-10-22T16:30:08.602402388Z", "cvss": 7.6, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/ghsa-mrv2-3pqr-j5jr", "title": "DOMPurify IN_PLACE: hook that removes a parent or sibling leaves the detached subtree's event handlers armed (incomplete fix for GHSA-p98j-92pf-mc4p)", "description": "### Summary\n\nThe 3.4.16 fix for GHSA-p98j-92pf-mc4p only covers a hook that removes the node it was called for. If an `IN_PLACE` hook removes a different node, like the current node's parent or a sibling that has not been visited yet, that subtree is never walked or neutralized. Event handlers in it stay on the elements, and an `<img onerror>` that was already loading fires after `sanitize()` returns.\n\nThe README says: \"Nodes that a hook detaches from the tree ... are treated as removed. In IN_PLACE mode their subtree is neutralized inline, so an `<img onload>` that was already loading when you built the live tree cannot fire after `sanitize(", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-mrv2-3pqr-j5jr", "https://github.com/cure53/DOMPurify/pull/1672", "https://github.com/cure53/DOMPurify/commit/a77a3e78b59f72fa4d1c83f22e121ad9cc7d3575"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "GHSA-c6gr-qvv4-5v3f", "noindex": false, "published": "2026-10-22T16:24:23Z", "modified": "2026-10-22T16:30:30.125885064Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": null, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/ghsa-c6gr-qvv4-5v3f", "title": "DOMPurify: SMIL attributeName=href guard is skipped when PARSER_MEDIA_TYPE is application/xhtml+xml", "description": "### Summary\n\nDOMPurify drops `attributeName` attributes whose value contains `href`, so an allowed `<animate>` or `<set>` can't rewrite a link's href after sanitizing. The check compares the attribute name after `transformCaseFunc`, and that function doesn't lowercase in XHTML mode. In XHTML the attribute is spelled `attributeName`, so the comparison with `\"attributename\"` never matches and the guard does nothing.\n\nAn app that uses `PARSER_MEDIA_TYPE: 'application/xhtml+xml'` and allows `animate` and `attributeName` will keep `<animate attributeName=\"href\" values=\"x;javascript:alert(1)\">`. Clicking the parent link then runs the script.\n\nThis ", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-c6gr-qvv4-5v3f", "https://github.com/cure53/DOMPurify/pull/1672", "https://github.com/cure53/DOMPurify/commit/a77a3e78b59f72fa4d1c83f22e121ad9cc7d3575"], "fixes": ["3.4.17"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-109345", "noindex": false, "published": "2026-10-12T16:05:29.905Z", "modified": "2026-10-13T17:40:08.757Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.0025, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-109345", "title": "DOMPurify before 3.4.16 XSS via IN_PLACE Returned Rawtext Root", "description": "DOMPurify before 3.4.16 contains a cross-site scripting vulnerability that allows attackers to bypass sanitization because IN_PLACE mode returns a force-removed style element whose text content still carries markup. Attackers can supply a style element containing a closing style tag and an img onerror payload, which executes script when the application serializes and re-parses the returned node.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-6688-9rhm-gjv2", "https://www.vulncheck.com/advisories/dompurify-before-3.4.16-xss-via-in-place-returned-rawtext-root", "https://nvd.nist.gov/vuln/detail/CVE-2026-109345"], "fixes": ["3.4.16"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}, {"id": "CVE-2026-109344", "noindex": false, "published": "2026-10-12T16:05:29.221Z", "modified": "2026-10-13T16:53:48.747Z", "cvss": 5.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "severity": "medium", "epss": 0.00188, "kev": false, "exploits": [], "stacks": [{"name": "node", "path": "vulns/stack/node", "slug": "node"}], "path": "vulns/cve-2026-109344", "title": "DOMPurify from 3.4.13 before 3.4.16 DOM XSS via IN_PLACE afterSanitize Hooks", "description": "DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin.", "references": ["https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p", "https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-place-aftersanitize-hooks", "https://nvd.nist.gov/vuln/detail/CVE-2026-109344"], "fixes": ["3.4.16"], "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}]}], "total": 5, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "dompurify", "path": "vulns/npm/dompurify", "ecosystem": "npm"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": ["3.4.16", "3.4.13", "3.4.12", "3.4.11", "3.4.9", "3.4.8", "3.4.7", "3.4.6", "3.4.5", "3.4.4", "3.4.0", "3.3.2"], "stats": {"recent": 5, "kev": 0}, "lastmod": "2026-10-22T16:45:03.731164651Z", "early_advisories": [], "license": "Подборку PatchFirst и наши дополнения (приоритеты, ранние предупреждения, тексты, сводки и агрегаты) можно свободно использовать для собственных целей, включая внутренние задачи бизнеса. 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Новости указываются ссылкой на первоисточник в самой записи.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. 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